ATI RN
MSN 570 Advanced Pathophysiology Final 2024
1. When does pain in the lower extremities due to peripheral artery disease usually worsen?
- A. with rest because blood flow decreases.
- B. with elevation of the extremity because blood is diverted away.
- C. when the leg is in a dependent position because blood pools.
- D. when the leg is touched or massaged because cytokines are released.
Correct answer: with elevation of the extremity because blood is diverted away.
Rationale: Pain in the lower extremities due to peripheral artery disease usually worsens with elevation of the extremity because blood is diverted away from the affected area, leading to decreased perfusion and exacerbation of symptoms. Choices A, C, and D are incorrect because resting, dependent position, and touch/massage do not typically worsen the pain associated with peripheral artery disease.
2. A wound has a blood-tinged liquid that is dripping from the surgical site. How does the nurse document this finding?
- A. Creamy pus
- B. Serous
- C. Serosanguineous
- D. Purulent exudate
Correct answer: Serosanguineous
Rationale:
3. Which artery supplies the right atrium, right ventricle, a portion of the septum, SA node, AV node, and inferior portion of the left ventricle?
- A. Right coronary artery
- B. Left circumflex artery
- C. Posterior descending artery
- D. Aortic artery
Correct answer: A
Rationale: The correct answer is the right coronary artery. It supplies essential areas of the heart, including the right atrium, right ventricle, a portion of the septum, SA node, AV node, and the inferior portion of the left ventricle. The left circumflex artery primarily supplies the left atrium and lateral wall of the left ventricle, not the mentioned areas. The posterior descending artery supplies the inferior wall of the left ventricle, not the right side. The aortic artery is a general term and does not specifically refer to an artery that supplies the mentioned areas.
4. Fatty acids may differ from one another:
- A. in chain length
- B. in degree of saturation
- C. in number of calories
- D.
Correct answer: D
Rationale: Fatty acids vary in chain length and degree of saturation, affecting their physical properties and health effects.
5. Data analysis is to be done and the nurse researcher wants to include variability. These include the following EXCEPT:
- A. Variance C. Standards of Deviation
- B. Range D. Mean
- C.
- D.
Correct answer: A
Rationale: Patient safety and efficacy of care depend on actions rooted in established nursing protocols that consider both the immediate and long-term needs of the patient.
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